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Need To Clear Something : 2Way Bad For Daily ?

cobrAA
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cobrAA Mentor

cobrAA

Posted
Posted

Anytime I look for diff info, the same came up : 1.5way good for daily and time attack.. 2way are SH*T, only good for drift.


BUUUUTTTT... I was thinking about it... if 2way diff are so bad, then why did the BNR32 ( not sure about the others) came with 2way oem ?

Honestly, I never felt my car dangerous to drive/handle... or is that because my diff is worn and not really acting like a true 2way diff ?

As you can imagine, I'm on the hunt for a rear differential and was wondering if I could simply buy a 2way instead of sticking to 1.5way ( which are rarer to come by on the used market)

GTSBoy Grand Master

GTSBoy

Posted
Posted

It's because 2-way and 1.5-way describes diffs in about the same way that "Stage 2" describes a cam. It's not enough information.

The definition of a 2-way diff is that it applies locking effect on both accel and decel. There is no component of the description that describes exactly how much locking effect is involved, except that it is approximately equal in both directions.

A 1.5-way diff simply provides less locking action under decel than a 2-way does. In this case the name implies a ratio of sorts between the two locking actions, but still doesn't say exactly how strong the locking action(s) is(are).

The factory R32 diff is a 2-way diff, sure. But who says it has the same degree of locking action that a tight-as-f**k aftermarket diff has?

I wouldn't use a 2-way (aftermarket) on a daily unless I absolutely needed it for some other part of that car's usage pattern, because they're not pleasant to live with. And also, unless you allow for it or drive aggressively to overcome it, the added understeer caused by a stiff 2-way diff can be not fun also.

Duncan Grand Master

Duncan

Posted
Posted

1, 1.5 or 2 way is not really the issue in daily driving as said above, the issue is how "tight" or aggressively the diff locks.

a standard gtr diff is 2 way but not tight and you will never notice it as an issue in daily driving.

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